MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains embedded JavaScript and a significant number of external URIs, many of which point to compromised CMS upload directories or are part of a link farm hosted on disposable domains. These elements suggest the document is designed to redirect users to malicious sites, likely for phishing or to download further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9846
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://archism.ru/uplcv?utm_term=advertising+industry+in+malaysia+pdf
- http://randoquad72.fr/userfiles/file/tupamigipexebadi.pdf
- http://cpgny.com/userfiles/files/83570633491.pdf
- http://haithuanphat.com/uploads/files/25266938939.pdf
- https://oykufestivali.com/ckfinder/userfiles/files/tavufoxelafog.pdf
- https://preprodpcb.com/userfiles/files/dezasekarugalegakit.pdf
- http://arc-en-cielproduce.com/ckfinder/userfiles/files/20094535086.pdf
- http://www.ddd-iasi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/161290022556f3---luludatupibolemajifo.pdf
- https://amgaa.org/temp//files/50726821185.pdf
- http://terezmisszio.eu/files/file/sizinifezojutajitapuruno.pdf
- http://daieimotors.com/js/upload/files/savozakaru.pdf
- https://firsatoyun.com/calisma2/files/uploads/gurigutuxagisudawoxobobo.pdf
- https://www.davinci.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1606cc4ac67a8b---24292084569.pdf
- https://www.helmmsp.ca/wp-content/plugins/super-forms/uploads/php/files/33c6cc3abf6d66d3c0d4c4b34708c47f/42403594042.pdf
- https://www.havanasalsa-dance-tours.com/wp-content/plugins/super-forms/uploads/php/files/801ecbd52c8882a23464011d600eb570/83796874342.pdf
- https://autoroman-service.ro/imagini_ws/33219931531.pdf
- http://siamsankyo.com/Uploads/file/93505096642.pdf
- http://mikllc.mn/uploads/files/zimukiwipawakuwi.pdf
- https://m3csrl.com/file/nilaxabadukiwixokazawus.pdf
- https://www.advids.co/wp-content/plugins/formcraft/file-upload/server/content/files/160afa29903852---nerekelopudawuba.pdf
- http://counterreaction.net/wp-content/plugins/formcraft/file-upload/server/content/files/16113e84670036---40904629796.pdf
- http://skidubravy.sk/spravca/ckfinder/userfiles/files/bipenaladijizironiba.pdf
- http://marathon-gexin.com/Uploadfiles/files/dunuwowuzenaratatun.pdf
- http://www.onegelha.com/wp-content/plugins/super-forms/uploads/php/files/4b16a02e040cb49344b6257f960ec7ef/netifodete.pdf
- http://akkoryazilim.com/userfiles/file/16212730936.pdf
- http://ivepe-elearning.gr/assets/UserFiles/mainHome/file/43499871460.pdf
- https://studiorampinelli.com/file/78692488194.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d8af.bin1cef3f8f799c0ec2dfd0a468a287c6b1973e20a00c6648b9b87d281c1dcc5e2e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD8AF | 18372 bytes |
font_01_sfnt_off00010811.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10811 | 16792 bytes |
font_02_sfnt_off00012028.bin4ee541773a05beb414e07de2726c20b9e6099ae00b89d38cb80ba0669e55df5e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12028 | 10980 bytes |
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